alias this bypasses truncating conversion warning

[dlangBugzillaToGithub]

elpenguino+D reported this on 2019-09-01T08:46:13Z

Transferred from https://issues.dlang.org/show_bug.cgi?id=20187

CC List

• RazvanN

Description

Compile with -w:
```
unittest {
    struct X {
        long y;
        alias y this;
    }
    X x;
    x -= 1.0; //No warning
    x.y -= 1.0; //Warning
}
```
Only one warning is triggered, when two should be.

[dlangBugzillaToGithub]

razvan.nitu1305 commented on 2023-04-18T10:55:41Z

I get no warning whatsoever.

[dlangBugzillaToGithub]

razvan.nitu1305 commented on 2023-04-18T10:56:44Z

Ah, forgot to add -unittest. Sorry, I can still reproduce this.